An ABB variable speed drive system is to power the giant fan that generates subsonic wind speeds at Boeing's flagship wind tunnel in Philadelphia.
ABB的一个变速驱动系统正在为波音公司在费城的旗舰风洞的大型风扇提供动力，以制造出次音速风速。
The ACS 5000 variable speed drive system enables Boeing to run the fan in adjustable speed mode or at constant speed, depending on the protocols and parameters of each test.
ACS 5000变速驱动系统使得波音公司可以根据每个测试的规程和参数，自由设定可调速度模式或者恒速模式。
This allows the fan to have variable rotation speed with respect to the thermal status of the computer.
这使得球迷有关于计算机的热状态变量旋转的速度。
Combined with the variable frequency transformation of the induced fan in my company, the variable frequency speed regulation technology is ripe, and the electricity-saving effect is significant.
结合我公司引风机的变频改造，认为变频调速技术已经成熟，节电效果显著，在其他转机上可以应用。
The boxed processor fan heatsink uses a variable speed fan that increases in speed as the air temperature entering the fan increases.
盒装处理器的风扇散热器采用了一种变速风扇，它可以随着进入风扇的空气温度的升高而提高转速。
Host fan with variable frequency control, steady speed, low power, accurate and reliable.
主机风机采用变频控制，调速平稳、省电、准确可靠。
Host fan with variable frequency control, steady speed, low power, accurate and reliable.
主机风机采用变频控制，调速平稳、省电、准确可靠。
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